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Paper 1 | Objectives | 37 Questions
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Paper 1 | Objectives
The electronic configuration of an element is 1s 22s22p63s 2 3p3. Where is the element located in the periodic table?
A. Group lll, period 3
B. Group lll, period 5
C. Group V, period 3
D. Group V, period 5
Group O of elements are unreactive because
A. their outmost shells contain equal number of electrons
B. their highest occupied enegy level is full
C. they are monatomic gases
D. they are non-metals
An element X with electronic configuration 1s22s22p 63s 23p5combines with another element Y with the configuration 1s2s22p23s33p5. What is the formula of the compound formed?
Which of the following statements about dative bonding is not correct?
A. there is sharing of electrons
B. one atom must possess a lone pair electrons
C. each participating atom contributes one electron
D. it can be formed between molecules
Which of the following quantities is the same for one mole of Br2(l) and one mole of He(g)?
A. Number of molecules
B. Number of atoms
C. Total mass of the particles
D. Volume occupied at s.t.p
Which of the following acids is dibasic?
A. Hydrochloric acid
B. Trioxosulphate (IV) acid
C. Dioxonitrate (lll) acid
D. Ethanoic acid
Bees inject an acidic substance when they sting. Which of the following chemical could be used to treat bee stings?
Which of the following salts can be prepared by reacting the metal with dilute H2SO4?
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